After winning three on the trot and his past two at Flemington, Riyadh will attempt to extend his winning sequence over 1700m.

Mornington trainer Peter Healey may have to rethink plans for Riyadh after the gelding notched a winning hat-trick at Flemington.

Former Hong Kong galloper Riyadh has landed his biggest prize in Australia, taking out the David Bourke Provincial Plate at Flemington.